2025
The conserved HIV-1 spacer peptide 2 triggers matrix lattice maturation
Stacey J, HrebĂk D, Nand E, Shetty S, Qu K, Boicu M, Anders-Ă–sswein M, Uchil P, Dick R, Mothes W, Kräusslich H, MĂĽller B, Briggs J. The conserved HIV-1 spacer peptide 2 triggers matrix lattice maturation. Nature 2025, 1-7. PMID: 40011770, DOI: 10.1038/s41586-025-08624-9.Peer-Reviewed Original ResearchSpacer peptide 2Membrane-binding domainVirus particlesProtein-protein interfacesCleavage site mutantsHigh-resolution structuresFusion of virusImmature virus particlesHIV-1Site mutantsProteolytic cleavageFunctional domainsHuman immunodeficiency virus type 1Bound lipidsImmunodeficiency virus type 1Infectious virionsHIV-1 componentsStructural polyprotein GagMature latticeProtein latticeVirus type 1Structural maturationMonolayers in vitroPeptide 2Polyprotein Gag
2019
Associating HIV-1 envelope glycoprotein structures with states on the virus observed by smFRET
Lu M, Ma X, Castillo-Menendez LR, Gorman J, Alsahafi N, Ermel U, Terry DS, Chambers M, Peng D, Zhang B, Zhou T, Reichard N, Wang K, Grover JR, Carman BP, Gardner MR, Nikić-Spiegel I, Sugawara A, Arthos J, Lemke EA, Smith AB, Farzan M, Abrams C, Munro JB, McDermott AB, Finzi A, Kwong PD, Blanchard SC, Sodroski JG, Mothes W. Associating HIV-1 envelope glycoprotein structures with states on the virus observed by smFRET. Nature 2019, 568: 415-419. PMID: 30971821, PMCID: PMC6655592, DOI: 10.1038/s41586-019-1101-y.Peer-Reviewed Original ResearchConceptsSingle-molecule fluorescence resonance energy transferCryo-electron microscopy studiesHigh-resolution structuresFluorescence resonance energy transferState 1 conformationProline substitutionConformational statesResonance energy transferDisulfide bondsCell entryIntermediate conformationsReceptor moleculesGlycoprotein structureStructural studiesIntact virionsViral EnvCD4 receptor moleculeIntact virusConformationState 2TrimerState 1
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